20V MAX
CORDLESS DRILL
Model # 49120
bit.ly/wenvideo
IMPORTANT:
Your new tool has been engineered and manufactured to WEN’s highest standards for dependability,
ease of operation, and operator safety. When properly cared for, this product will supply you years
of rugged, trouble-free performance. Pay close attention to the rules for safe operation, warnings,
and cautions. If you use your tool properly and for intended purpose, you will enjoy years of safe,
reliable service.
NEED HELP? CONTACT US!
Have product questions? Need technical support?
Please feel free to contact us at:
800-232-1195
(M-F 8AM-5PM CST)
techsupport@wenproducts.com
WENPRODUCTS.COM
TABLE OF CONTENTS
Technical Data
General Safety Rules
Specific Safety Rules for Batteries & Chargers
Electrical Information
Know Your Drill
Operation
Maintenance
Exploded View
Parts List
Warranty
TECHNICAL DATA
Model Number:
Charger Input Voltage:
Charger Output Voltage:
Battery Specs:
Torque Settings:
Max Torque:
Chuck Capacity:
Low Speed (Position 1):
High Speed (Position 2):
Dimensions:
Weight:
120V, 60 Hz, 0.5A, 60W
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49120
20V, 2.0A, 40W
20V Max, 1.5 Ah
19+1
35 N.m
3/8 inch
0 to 400 RPM
0 to 1,100 RPM
3 x 7.5 x 8.5 inches
3.0 lbs
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GENERAL SAFETY RULES
You know the drill. The purpose of the following safety symbols is to attract your attention to possible dangers.
We don’t want any of our beloved WEN customers accidentally injuring themselves. The safety symbols and the
explanations with them deserve your careful attention and understanding. The safety warnings do not by themselves eliminate any danger. These instructions and warnings are not substitutes for proper accident prevention
measures.
Safety Alert Symbol: Indicates danger, warning, or caution. This may be used in conjunction with
other symbols. Always follow the safety precautions to reduce the risk of fire, electric shock and
personal injury.
NOTE: Advising you of information or instructions is vital to the operation and maintenance of the equipment.
IMPORTANT:
Servicing requires extreme care and knowledge and should be performed only by a qualified service technician.
WARNING - Do not attempt to operate this tool until you have thoroughly read and understood
all instructions, safety rules, etc…contained in this manual. Failure to comply can result in accidents
involving fire, electric shock, or serious personal injury. Save this operator’s manual and review frequently for continuing safe operation and instructing others who may use this tool.
Safe operation of this power tool requires that you read and understand this operator’s manual and all labels affixed to the tool. Safety is a combination of staying alert, knowing how your tool works, and not doing dumb stuff.
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GENERAL SAFETY RULES
Safety is a combination of common sense, staying alert, knowing how your item works, and not doing dumb stuff on
purpose. SAVE THESE SAFETY INSTRUCTIONS.
WARNING: To avoid mistakes and serious injury, do not plug in your tool until the following steps
have been read and understood.
1. READ and become familiar with this entire instruction manual. LEARN the tool’s applications, limitations, and
possible hazards.
2. AVOID DANGEROUS CONDITIONS. Do not use power tools in wet or damp areas or expose them to rain.
Keep work areas well lit.
3. DO NOT use power tools in the presence of flammable liquids or gases.
4. ALWAYS keep your work area clean, uncluttered, and well lit. DO NOT work on floor surfaces that are slippery
with sawdust or wax.
5. KEEP BYSTANDERS AT A SAFE DISTANCE from the work area, especially when the tool is operating.
NEVER allow children or pets near the tool.
6. DO NOT FORCE THE TOOL to do a job for which it was not designed.
7. DRESS FOR SAFETY. Do not wear loose clothing, gloves, neckties, or jewelry (rings, watches, etc.) when operating the tool. Inappropriate clothing and items can get caught in moving parts and draw you in. ALWAYS wear
non-slip footwear and tie back long hair.
8. WEAR A FACE MASK OR DUST MASK to fight the dust produced during operation.
WARNING: Dust generated from certain materials can be hazardous to your health. Always operate the tool in a well-ventilated area and provide for proper dust removal. Use dust collection systems
whenever possible.
9. ALWAYS remove the power cord plug from the electrical outlet when making adjustments, changing parts,
cleaning, or working on the tool.
10. KEEP GUARDS IN PLACE AND IN WORKING ORDER.
11. AVOID ACCIDENTAL START-UPS.
12. REMOVE ADJUSTMENT TOOLS. Always make sure all adjustment tools are removed from the drill before
turning it on.
13. NEVER LEAVE A RUNNING TOOL UNATTENDED. Turn the power switch to OFF. Do not leave the
tool until it has come to a complete stop.
14. NEVER STAND ON A TOOL. Serious injury could result if the tool tips or is accidentally hit. DO NOT store
anything above or near the tool.
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GENERAL SAFETY RULES
15. DO NOT OVERREACH. Keep proper footing and balance at all times. Wear oil-resistant rubber-soled footwear. Keep the floor clear of oil, scrap, and other debris.
16. MAINTAIN TOOLS PROPERLY. ALWAYS keep tools clean and in good working order. Follow instructions for lubricating and changing accessories.
17. CHECK FOR DAMAGED PARTS. Check for alignment of moving parts, jamming, breakage, improper
mounting, or any other conditions that may affect the tool’s operation. Any part that is damaged should be properly
repaired or replaced before use.
18. MAKE THE WORKSHOP CHILDPROOF. Use padlocks and master switches and ALWAYS remove starter keys.
19. DO NOT operate the tool if you are under the influence of drugs, alcohol, or medication that may affect your
ability to properly use the tool.
20. USE SAFETY GOGGLES AT ALL TIMES that comply with ANSI Z87.1. Normal safety glasses only have
impact resistant lenses and are not designed for safety. Wear a face or dust mask when working in a dusty environment. Use ear protection such as plugs or muffs during extended periods of operation.
SAFETY RULES FOR BATTERIES
1. Ensure the switch trigger is in the off position before inserting the battery back.
2. Only recharge the battery with the charger specified by the manufacturer. A charger that is suitable for one type
of battery pack may create undesirable risks such as fire or death when used with another battery pack.
3. Only use the tool with the battery specified by the manufacturer.
4. Avoid storing the battery pack in a container with other metal objects such as nails, coins, clips, keys, screws, or
other small metal objects that could potentially connect one terminal to the other. Always protect the battery terminals when the battery pack is not being used. Connecting the terminals together may cause burns or fire.
5. Under abusive conditions, liquid may be ejected from the battery. Avoid contact with this liquid like you would a
fire or an ex-lover. If contact accidentally occurs, flush the contact area with water. If the liquid contacts your eyes,
flush with water for 10 minutes and then seek medical help. Liquid ejected from the battery may cause irritation or
burns.
6. Battery tools do not need to be plugged into an electrical outlet, therefore they are always ready to operate. Beware of the possible hazards when not using your battery tool or when changing accessories. Following this rule will
reduce the risk of electric shock, fire or personal injury.
7. Before using the battery charger, read all cautionary markings on the battery, the battery charger and the product
using the battery.
8. Do not expose the battery pack or the charger to damp environments such as water or rain.
9. Do not operate the charger with a damaged cord or plug.
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